{"id":707,"date":"2023-11-24T23:59:16","date_gmt":"2023-11-24T14:59:16","guid":{"rendered":"https:\/\/web.cloudfree.jp\/journal\/?p=707"},"modified":"2023-12-01T10:27:04","modified_gmt":"2023-12-01T01:27:04","slug":"mysql%e3%81%ae%e5%8b%89%e5%bc%b7%ef%bc%9a%e5%85%b1%e9%80%9a%e8%a1%a8%e5%bd%a2%e5%bc%8fcte-commontableexpression","status":"publish","type":"post","link":"https:\/\/web.cloudfree.jp\/journal\/mysql%e3%81%ae%e5%8b%89%e5%bc%b7%ef%bc%9a%e5%85%b1%e9%80%9a%e8%a1%a8%e5%bd%a2%e5%bc%8fcte-commontableexpression\/","title":{"rendered":"MySQL\u306e\u52c9\u5f37\uff1a\u5171\u901a\u8868\u5f62\u5f0fCTE CommonTableExpression"},"content":{"rendered":"<h3 class=\"wp-block-post-title\">MySQL\u306e\u52c9\u5f37\uff1a\u5171\u901a\u8868\u5f62\u5f0fCTE CommonTableExpression<\/h3>\n\n\n<p class=\"has-tertiary-color has-text-color has-background has-small-font-size\" style=\"background-color:#8d8dd8;margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">2023-11-24 \u8a18\u8f09<br>\u6982\u8981 : MySQL8.0\u3067\u65b0\u898f\u5c0e\u5165\u306e\u5171\u901a\u8868\u5f62\u5f0fCTE\u3092\u5b66\u3076<br>\u95a2\u9023\u8a18\u4e8b : <a href=\"https:\/\/web.cloudfree.jp\/journal\/mysql%e3%81%ae%e5%8b%89%e5%bc%b7%ef%bc%9awindow%e9%96%a2%e6%95%b0\/\" data-type=\"post\" data-id=\"689\">MySQL\u306e\u52c9\u5f37\uff1aWINDOW\u95a2\u6570<\/a><br>Keyword : \u5171\u901a\u8868\u5f62\u5f0fCTE, MySQL<\/p>\n\n\n\n<style>.xyz-table001 td, .xyz-table001 th { border: 1px solid #ccc; padding: 2px 16px;} .xyz-table001 th { background-color: #ccc}<\/style><table class=\"xyz-table001\"><tr><th>auto_id<\/th><th>\u533a\u5206<\/th><th>\u54c1\u540d<\/th><th>\u4fa1\u683c<\/th><\/tr><tr><td>1<\/td><td>\u4e3b\u98df<\/td><td>\u767d\u3054\u306f\u3093<\/td><td>200<\/td><\/tr><tr><td>2<\/td><td>\u6c41\u7269<\/td><td>\u5b63\u7bc0\u306e\u5473\u564c\u6c41<\/td><td>80<\/td><\/tr><tr><td>3<\/td><td>\u4e3b\u98df<\/td><td>\u304b\u3084\u304f\u3054\u98ef<\/td><td>250<\/td><\/tr><tr><td>4<\/td><td>\u30e1\u30a4\u30f3\u76bf<\/td><td>\u30cf\u30f3\u30d0\u30fc\u30b0<\/td><td>400<\/td><\/tr><tr><td>5<\/td><td>\u30e1\u30a4\u30f3\u76bf<\/td><td>\u713c\u304d\u9b5a<\/td><td>300<\/td><\/tr><tr><td>6<\/td><td>\u30e1\u30a4\u30f3\u76bf<\/td><td>\u304b\u3089\u3042\u3052<\/td><td>350<\/td><\/tr><tr><td>7<\/td><td>\u526f\u83dc<\/td><td>\u51b7\u5974<\/td><td>200<\/td><\/tr><tr><td>8<\/td><td>\u526f\u83dc<\/td><td>\u716e\u7269<\/td><td>240<\/td><\/tr><tr><td>9<\/td><td>\u526f\u83dc<\/td><td>\u7d0d\u8c46<\/td><td>100<\/td><\/tr><tr><td>10<\/td><td>\u526f\u83dc<\/td><td>\u3060\u3057\u5dfb\u304d\u5375<\/td><td>130<\/td><\/tr><tr><td>13<\/td><td>\u30e1\u30a4\u30f3\u76bf<\/td><td>\u304a\u3064\u304f\u308a<\/td><td>400<\/td><\/tr><tr><td>14<\/td><td>\u30e1\u30a4\u30f3\u76bf<\/td><td>\u30b9\u30c6\u30fc\u30ad<\/td><td>500<\/td><\/tr><\/table>\n\n\n\n<p>\u4e0a\u8a18\u30c6\u30fc\u30d6\u30eb\u306b\u4ee5\u4e0b\u306eWINDOW\u95a2\u6570SQL\u3092\u767a\u884c\u3057\u3066\u4e0b\u306e\u8868\u304c\u53d6\u5f97\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-sql\" data-lang=\"SQL\"><code>select * , RANK() \nover (PARTITION by \u533a\u5206 ORDER by \u4fa1\u683c) as \u5b89\u3044\u9806 \nfrom t_test;<\/code><\/pre><\/div>\n\n\n\n<style>.xyz-table001 td, .xyz-table001 th { border: 1px solid #ccc; padding: 2px 16px;} .xyz-table001 th { background-color: #ccc}<\/style><table class=\"xyz-table001\"><tr><th>auto_id<\/th><th>\u533a\u5206<\/th><th>\u54c1\u540d<\/th><th>\u4fa1\u683c<\/th><th>\u5b89\u3044\u9806<\/th><\/tr><tr><td>5<\/td><td>\u30e1\u30a4\u30f3\u76bf<\/td><td>\u713c\u304d\u9b5a<\/td><td>300<\/td><td>1<\/td><\/tr><tr><td>6<\/td><td>\u30e1\u30a4\u30f3\u76bf<\/td><td>\u304b\u3089\u3042\u3052<\/td><td>350<\/td><td>2<\/td><\/tr><tr><td>13<\/td><td>\u30e1\u30a4\u30f3\u76bf<\/td><td>\u304a\u3064\u304f\u308a<\/td><td>400<\/td><td>3<\/td><\/tr><tr><td>4<\/td><td>\u30e1\u30a4\u30f3\u76bf<\/td><td>\u30cf\u30f3\u30d0\u30fc\u30b0<\/td><td>400<\/td><td>3<\/td><\/tr><tr><td>14<\/td><td>\u30e1\u30a4\u30f3\u76bf<\/td><td>\u30b9\u30c6\u30fc\u30ad<\/td><td>500<\/td><td>5<\/td><\/tr><tr><td>1<\/td><td>\u4e3b\u98df<\/td><td>\u767d\u3054\u306f\u3093<\/td><td>200<\/td><td>1<\/td><\/tr><tr><td>3<\/td><td>\u4e3b\u98df<\/td><td>\u304b\u3084\u304f\u3054\u98ef<\/td><td>250<\/td><td>2<\/td><\/tr><tr><td>9<\/td><td>\u526f\u83dc<\/td><td>\u7d0d\u8c46<\/td><td>100<\/td><td>1<\/td><\/tr><tr><td>10<\/td><td>\u526f\u83dc<\/td><td>\u3060\u3057\u5dfb\u304d\u5375<\/td><td>130<\/td><td>2<\/td><\/tr><tr><td>7<\/td><td>\u526f\u83dc<\/td><td>\u51b7\u5974<\/td><td>200<\/td><td>3<\/td><\/tr><tr><td>8<\/td><td>\u526f\u83dc<\/td><td>\u716e\u7269<\/td><td>240<\/td><td>4<\/td><\/tr><tr><td>2<\/td><td>\u6c41\u7269<\/td><td>\u5b63\u7bc0\u306e\u5473\u564c\u6c41<\/td><td>80<\/td><td>1<\/td><\/tr><\/table>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u4e00\u756a\u5b89\u3044\u3082\u306e\u3060\u3051\u3092\u62bd\u51fa\u3059\u308bSQL\u3092<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-sql\" data-lang=\"SQL\"><code>select * , RANK() \nover (PARTITION by \u533a\u5206 ORDER by \u4fa1\u683c) as \u5b89\u3044\u9806 \nfrom t_test where \u5b89\u3044\u9806=1;<\/code><\/pre><\/div>\n\n\n\n<p>\u3068\u66f8\u3051\u3070\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<br><code>#1054 - \u5217 '\u5b89\u3044\u9806' \u306f 'where clause' \u306b\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/code><br><br>\u3053\u3046\u3044\u3046\u5834\u5408\u306bCTE\u3092\u7528\u3044\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u3044\u3066\u76ee\u7684\u306e\u30d3\u30e5\u30fc\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-sql\" data-lang=\"SQL\"><code>with cte_g1 as (select * , \nRANK() over (PARTITION by \u533a\u5206 ORDER by \u4fa1\u683c) as \u5b89\u3044\u9806 from t_test) \nselect * from cte_g1 where \u5b89\u3044\u9806=1;<\/code><\/pre><\/div>\n\n\n<style>.xyz-table001 td, .xyz-table001 th { border: 1px solid #ccc; padding: 2px 16px;} .xyz-table001 th { background-color: #ccc}<\/style><table class=\"xyz-table001\"><tr><th>auto_id<\/th><th>\u533a\u5206<\/th><th>\u54c1\u540d<\/th><th>\u4fa1\u683c<\/th><th>\u5b89\u3044\u9806<\/th><\/tr><tr><td>5<\/td><td>\u30e1\u30a4\u30f3\u76bf<\/td><td>\u713c\u304d\u9b5a<\/td><td>300<\/td><td>1<\/td><\/tr><tr><td>1<\/td><td>\u4e3b\u98df<\/td><td>\u767d\u3054\u306f\u3093<\/td><td>200<\/td><td>1<\/td><\/tr><tr><td>9<\/td><td>\u526f\u83dc<\/td><td>\u7d0d\u8c46<\/td><td>100<\/td><td>1<\/td><\/tr><tr><td>2<\/td><td>\u6c41\u7269<\/td><td>\u5b63\u7bc0\u306e\u5473\u564c\u6c41<\/td><td>80<\/td><td>1<\/td><\/tr><\/table>\n","protected":false},"excerpt":{"rendered":"<p>MySQL8.0\u306e\u65b0\u6a5f\u80fd\u3001\u5171\u901a\u8868\u5f62\u5f0fCTE CommonTableExpression \u3092\u5b66\u3073\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":691,"comment_status":"open","ping_status":"closed","sticky":false,"template":"wp-custom-template-x24-index","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[58,73],"_links":{"self":[{"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/posts\/707"}],"collection":[{"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/comments?post=707"}],"version-history":[{"count":0,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/posts\/707\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/media\/691"}],"wp:attachment":[{"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/media?parent=707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/categories?post=707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/tags?post=707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}